The pie charts provide data regarding the expenditure in various fields by an unnamed university in the years 2005 and 2015. It is clear that each year is represented by six sectors, with the largest portion allocated to teaching and research in both years.
In 2005, the proportion of expenses dedicated to libraries was 10%. However, this number halved by 2015, dropping to just 5%. A similar trend was observed in the percentage of income spent on accommodation, which initially stood at 16% but decreased to 8% in 2015. The teaching and research sector accounted for 53% of overall expenditure in 2005, slightly more than half. After a ten-year period, this figure fell below half, reaching 48%.
The proportion of income spent on administration and management doubled, increasing from 6% in 2005 to 16% in 2015. During the same period, financial support for students increased by 3%. Meanwhile, the sector for maintaining campuses saw no changes over the decade, remaining stable at 10%.